/* Landing Page Styles */
.landing-container {
  min-height: 100vh;
  background: #000;
  color: #fff;
  overflow-x: hidden;
  position: relative;
  font-family: 'Arial', sans-serif;
}

/* Time Tunnel Background */
.time-tunnel {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  perspective: 1000px;
  overflow: hidden;
}

.tunnel-particles {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(2px 2px at 20% 30%, white, transparent),
    radial-gradient(2px 2px at 60% 70%, white, transparent),
    radial-gradient(1px 1px at 50% 50%, white, transparent),
    radial-gradient(1px 1px at 80% 10%, white, transparent),
    radial-gradient(2px 2px at 90% 60%, white, transparent);
  background-size: 300px 300px;
  animation: particles 30s linear infinite;
}

@keyframes particles {
  0% {
    transform: translateZ(0) rotateX(0deg);
    opacity: 1;
  }
  100% {
    transform: translateZ(300px) rotateX(25deg);
    opacity: 0;
  }
}

.tunnel-rings {
  position: absolute;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  animation: tunnel-move 20s linear infinite;
}

.ring {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 2px solid;
  border-radius: 50%;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) rotateX(90deg);
}

.ring-1 {
  width: 150%;
  height: 150%;
  border-color: rgba(0, 255, 255, 0.1);
  animation: ring-expand 8s linear infinite;
}

.ring-2 {
  width: 120%;
  height: 120%;
  border-color: rgba(0, 255, 255, 0.2);
  animation: ring-expand 7s linear infinite 1s;
}

.ring-3 {
  width: 90%;
  height: 90%;
  border-color: rgba(0, 255, 255, 0.3);
  animation: ring-expand 6s linear infinite 2s;
}

.ring-4 {
  width: 60%;
  height: 60%;
  border-color: rgba(0, 255, 255, 0.4);
  animation: ring-expand 5s linear infinite 3s;
}

.ring-5 {
  width: 40%;
  height: 40%;
  border-color: rgba(0, 255, 255, 0.5);
  animation: ring-expand 4s linear infinite 4s;
}

.ring-6 {
  width: 20%;
  height: 20%;
  border-color: rgba(0, 255, 255, 0.6);
  animation: ring-expand 3s linear infinite 5s;
}

.ring-7 {
  width: 10%;
  height: 10%;
  border-color: rgba(0, 255, 255, 0.7);
  animation: ring-expand 2s linear infinite 6s;
}

.ring-8 {
  width: 5%;
  height: 5%;
  border-color: rgba(0, 255, 255, 0.8);
  animation: ring-expand 1s linear infinite 7s;
}

@keyframes ring-expand {
  0% {
    transform: translate(-50%, -50%) rotateX(90deg) translateZ(-100px) scale(0.5);
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    transform: translate(-50%, -50%) rotateX(90deg) translateZ(100px) scale(2);
    opacity: 0;
  }
}

@keyframes tunnel-move {
  0% {
    transform: rotateZ(0deg);
  }
  100% {
    transform: rotateZ(360deg);
  }
}

.character-silhouette {
  position: absolute;
  width: 60px;
  height: 120px;
  bottom: 20%;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(to top, rgba(0, 255, 255, 0.8), transparent);
  clip-path: polygon(50% 0%, 60% 10%, 60% 30%, 70% 40%, 70% 60%, 60% 70%, 60% 90%, 50% 100%, 40% 90%, 40% 70%, 30% 60%, 30% 40%, 40% 30%, 40% 10%);
  animation: character-walk 10s linear infinite;
}

.character-glow {
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at center, rgba(0, 255, 255, 0.8), transparent);
  filter: blur(10px);
  animation: glow-pulse 2s ease-in-out infinite alternate;
}

@keyframes character-walk {
  0% {
    transform: translateX(-50%) translateY(0) scale(0.5);
    opacity: 0;
  }
  50% {
    transform: translateX(-50%) translateY(-20px) scale(1);
    opacity: 1;
  }
  100% {
    transform: translateX(-50%) translateY(-40px) scale(1.5);
    opacity: 0;
  }
}

@keyframes glow-pulse {
  0% {
    opacity: 0.5;
  }
  100% {
    opacity: 1;
  }
}

/* Header */
.landing-header {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(10px);
  z-index: 1000;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 15px;
}

.header-actions .language-switcher {
  position: relative;
  top: auto;
  right: auto;
  margin: 0;
}

/* User Menu */
.user-menu {
  position: relative;
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00ffff, #0080ff);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 10px rgba(0, 255, 255, 0.3);
}

.user-avatar:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(0, 255, 255, 0.5);
}

.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 10px;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(0, 255, 255, 0.3);
  border-radius: 10px;
  padding: 15px;
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 1000;
}

.user-menu:hover .user-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-info {
  margin-bottom: 15px;
  padding-bottom: 15px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.user-name {
  color: #00ffff;
  font-weight: bold;
  margin-bottom: 5px;
}

.user-email {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

.logout-btn {
  width: 100%;
  padding: 8px 15px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 5px;
  color: white;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.logout-btn:hover {
  background: rgba(255, 67, 54, 0.2);
  border-color: rgba(255, 67, 54, 0.5);
  color: #ff4336;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 24px;
  font-weight: bold;
}

.logo-icon {
  font-size: 28px;
  background: linear-gradient(45deg, #00ffff, #0080ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: logo-glow 2s ease-in-out infinite alternate;
}

@keyframes logo-glow {
  0% {
    filter: drop-shadow(0 0 5px rgba(0, 255, 255, 0.5));
  }
  100% {
    filter: drop-shadow(0 0 15px rgba(0, 255, 255, 0.8));
  }
}

.nav-menu {
  display: flex;
  gap: 30px;
}

.nav-link {
  color: #fff;
  text-decoration: none;
  font-size: 16px;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: #00ffff;
}

.auth-button {
  padding: 10px 20px;
  background: linear-gradient(45deg, #00ffff, #0080ff);
  border: none;
  border-radius: 25px;
  color: #fff;
  font-weight: bold;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.auth-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 255, 255, 0.4);
}

/* Hero Section */
.hero-section {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 20px;
}

.hero-content {
  max-width: 800px;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 1s ease, transform 1s ease;
}

.hero-content.visible {
  opacity: 1;
  transform: translateY(0);
}

.hero-title {
  font-size: 4rem;
  margin-bottom: 20px;
  line-height: 1.2;
}

.title-gradient {
  background: linear-gradient(45deg, #00ffff, #0080ff, #ff00ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.title-secondary {
  color: #fff;
  font-weight: 300;
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 40px;
  color: rgba(255, 255, 255, 0.8);
}

.hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.primary-button {
  padding: 15px 30px;
  background: linear-gradient(45deg, #00ffff, #0080ff);
  border: none;
  border-radius: 30px;
  color: #fff;
  font-size: 18px;
  font-weight: bold;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.primary-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 255, 255, 0.5);
}

.secondary-button {
  padding: 15px 30px;
  background: transparent;
  border: 2px solid #00ffff;
  border-radius: 30px;
  color: #00ffff;
  font-size: 18px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
}

.secondary-button:hover {
  background: rgba(0, 255, 255, 0.1);
  box-shadow: 0 5px 15px rgba(0, 255, 255, 0.3);
}

/* Features Section */
.features-section {
  padding: 100px 20px;
  text-align: center;
  background: rgba(0, 0, 0, 0.8);
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 50px;
  background: linear-gradient(45deg, #00ffff, #0080ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.features-carousel {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.features-slider {
  display: flex;
  transition: transform 0.5s ease;
}

.feature-card {
  min-width: 100%;
  padding: 40px;
  background: rgba(0, 255, 255, 0.05);
  border: 1px solid rgba(0, 255, 255, 0.2);
  border-radius: 20px;
  backdrop-filter: blur(10px);
}

.feature-icon {
  font-size: 4rem;
  margin-bottom: 20px;
  display: block;
}

.feature-title {
  font-size: 2rem;
  margin-bottom: 15px;
  color: #00ffff;
}

.feature-description {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin: 0 auto;
}

.feature-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 30px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(0, 255, 255, 0.3);
  border: none;
  cursor: pointer;
  transition: background 0.3s ease;
}

.dot.active {
  background: #00ffff;
}

/* About Section */
.about-section {
  padding: 100px 20px;
  background: rgba(0, 0, 0, 0.9);
}

.about-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.about-text {
  text-align: left;
}

.about-description {
  font-size: 1.1rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 20px;
}

.tech-highlights {
  margin: 30px 0;
}

.tech-highlights h3 {
  color: #00ffff;
  margin-bottom: 15px;
  font-size: 1.3rem;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
  margin-bottom: 30px;
}

.tech-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  background: rgba(0, 255, 255, 0.05);
  border-radius: 10px;
  border: 1px solid rgba(0, 255, 255, 0.1);
}

.tech-icon {
  font-size: 1.5rem;
}

.tech-name {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
}

.stats {
  display: flex;
  gap: 40px;
  margin-top: 40px;
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: bold;
  color: #00ffff;
  margin-bottom: 10px;
}

.stat-label {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.7);
}

.about-visual {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 30px;
}

.floating-cube {
  width: 200px;
  height: 200px;
  position: relative;
  transform-style: preserve-3d;
  animation: cube-rotate 20s linear infinite;
}

@keyframes cube-rotate {
  0% {
    transform: rotateX(0deg) rotateY(0deg);
  }
  100% {
    transform: rotateX(360deg) rotateY(360deg);
  }
}

.cube-face {
  position: absolute;
  width: 200px;
  height: 200px;
  background: rgba(0, 255, 255, 0.1);
  border: 2px solid rgba(0, 255, 255, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: bold;
  color: #00ffff;
}

.cube-front {
  transform: translateZ(100px);
}

.cube-back {
  transform: rotateY(180deg) translateZ(100px);
}

.cube-left {
  transform: rotateY(-90deg) translateZ(100px);
}

.cube-right {
  transform: rotateY(90deg) translateZ(100px);
}

.cube-top {
  transform: rotateX(90deg) translateZ(100px);
}

.cube-bottom {
  transform: rotateX(-90deg) translateZ(100px);
}

/* CTA Section */
.cta-section {
  padding: 100px 20px;
  text-align: center;
  background: linear-gradient(45deg, rgba(0, 255, 255, 0.1), rgba(0, 128, 255, 0.1));
}

.cta-title {
  font-size: 2.5rem;
  margin-bottom: 20px;
  background: linear-gradient(45deg, #00ffff, #0080ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cta-subtitle {
  font-size: 1.3rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-button {
  padding: 18px 40px;
  background: linear-gradient(45deg, #00ffff, #0080ff);
  border: none;
  border-radius: 30px;
  color: #fff;
  font-size: 20px;
  font-weight: bold;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 255, 255, 0.5);
}

/* Footer */
.landing-footer {
  padding: 50px 20px 20px;
  background: rgba(0, 0, 0, 0.9);
  border-top: 1px solid rgba(0, 255, 255, 0.2);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
  margin-bottom: 30px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 24px;
  font-weight: bold;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.footer-column h4 {
  color: #00ffff;
  margin-bottom: 15px;
}

.footer-column a {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  margin-bottom: 10px;
  transition: color 0.3s ease;
}

.footer-column a:hover {
  color: #00ffff;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(0, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.5);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  .about-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .stats {
    justify-content: space-around;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .nav-menu {
    display: none;
  }
  
  .landing-header {
    padding: 15px 20px;
  }
}
/* Testimonials Section */
.testimonials-section {
  padding: 80px 20px;
  background: rgba(0, 0, 0, 0.7);
}

.testimonials-container {
  max-width: 1200px;
  margin: 0 auto;
}

.testimonials-content {
  text-align: left;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.testimonial-card {
  background: rgba(0, 255, 255, 0.05);
  border: 1px solid rgba(0, 255, 255, 0.2);
  border-radius: 15px;
  padding: 25px;
  backdrop-filter: blur(10px);
}

.testimonial-content {
  font-size: 1rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 15px;
}

.author-avatar {
  font-size: 2.5rem;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 255, 255, 0.1);
  border-radius: 50%;
}

.author-name {
  font-weight: bold;
  color: #00ffff;
  margin-bottom: 3px;
}

.author-title {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
}

.feature-details {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  font-style: italic;
  max-width: 500px;
  margin: 0 auto;
}

/* Responsive Design Updates */
@media (max-width: 768px) {
  .tech-grid {
    grid-template-columns: 1fr;
  }
  
  .testimonials-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .testimonials-tech-grid {
    grid-template-columns: 1fr;
  }
  
  .header-actions {
    gap: 10px;
  }
}